I went back to Latin word site, and first thing I saw was "raster" defined as "hoe". So what is one important thing a gardener can do with a hoe? Make parallel grooves on his plot for planting small seeds in rows. Into my mind popped "raster" on a TV monitorthe horizontal parallel lines you used to see before the set was tuned in.raster n.5Ger, screen < ML rastrum, rake < L, hoe, mattock < rasus: see RAZE6 the pattern of illuminated horizontal scanning lines formed on a picture tube when no signal is being received

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